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v3.23.3

Notes Payable - Financial Services Textuals (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Sep. 30, 2022
--- | --- | ---
Debt Instrument [Line Items] |  |
Notes payable, carrying value | $ 5,094.5 | $ 6,066.9
Financial Services [Member] |  |
Debt Instrument [Line Items] |  |
Notes payable, carrying value | 1,669.6 | 1,618.3
Financial Services [Member] | Warehouse Agreement Borrowings |  |
Debt Instrument [Line Items] |  |
Mortgage repurchase facility, current capacity | 300.0 |
Participating Mortgage Loans, Mortgage Obligations, Amount | 300.9 |
Notes payable, carrying value | $ 296.3 | 0.0
Assets Sold under Agreements to Repurchase, Interest Rate | 6.60% |
Deposit Liabilities, Collateral Issued, Financial Instruments | $ 323.0 |
Financial Services [Member] | Commitments to Extend Credit |  |
Debt Instrument [Line Items] |  |
Mortgage repurchase facility, current capacity | 2,000.0 |
Line of credit, maximum borrowing capacity | 2,300.0 |
Participating Mortgage Loans, Mortgage Obligations, Amount | 2,180.0 |
Notes payable, carrying value | $ 1,373.3 | $ 1,618.3
Assets Sold under Agreements to Repurchase, Interest Rate | 6.90% |
Deposit Liabilities, Collateral Issued, Financial Instruments | $ 2,220.0 |

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